Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1544122420', 'doi': None, 'title': 'Stoichiometric number of the rate-determining step of ammonia synthesis on iron catalysts.', 'display_name': 'Stoichiometric number of the rate-determining step of ammonia synthesis on iron catalysts.', 'publication_year': 1962, 'publication_date': '1962-07-01', 'ids': {'openalex': 'https://openalex.org/W1544122420', 'mag': '1544122420'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/naid/120000965120', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764862220', 'display_name': 'Journal of the Research Institute for Catalysis, Hokkaido University', 'issn_l': '0034-530X', 'issn': ['0034-530X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310313472', 'host_organization_name': 'Hokkaido University', 'host_organization_lineage': ['https://openalex.org/P4310313472'], 'host_organization_lineage_names': ['Hokkaido University'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5054897628', 'display_name': 'Juro Horiuti', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'J. Horiuti', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5006997465', 'display_name': 'Kazunori Tanaka', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Kazunori Tanaka', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5082089570', 'display_name': 'Takuro Kodera', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Takuro Kodera', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 62}, 'biblio': {'volume': '10', 'issue': '1', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12112', 'display_name': 'Ammonia Synthesis and Electrocatalysis', 'score': 0.9916, 'subfield': {'id': 'https://openalex.org/subfields/1503', 'display_name': 'Catalysis'}, 'field': {'id': 'https://openalex.org/fields/15', 'display_name': 'Chemical Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12112', 'display_name': 'Ammonia Synthesis and Electrocatalysis', 'score': 0.9916, 'subfield': {'id': 'https://openalex.org/subfields/1503', 'display_name': 'Catalysis'}, 'field': {'id': 'https://openalex.org/fields/15', 'display_name': 'Chemical Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/stoichiometry', 'display_name': 'Stoichiometry', 'score': 0.88133115}, {'id': 'https://openalex.org/keywords/ammonia-production', 'display_name': 'Ammonia production', 'score': 0.797619}, {'id': 'https://openalex.org/keywords/ammonia-synthesis', 'display_name': 'Ammonia Synthesis', 'score': 0.54225}], 'concepts': [{'id': 'https://openalex.org/C144082473', 'wikidata': 'https://www.wikidata.org/wiki/Q213185', 'display_name': 'Stoichiometry', 'level': 2, 'score': 0.88133115}, {'id': 'https://openalex.org/C181258405', 'wikidata': 'https://www.wikidata.org/wiki/Q3961934', 'display_name': 'Ammonia production', 'level': 3, 'score': 0.797619}, {'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.7367481}, {'id': 'https://openalex.org/C2776382133', 'wikidata': 'https://www.wikidata.org/wiki/Q4087', 'display_name': 'Ammonia', 'level': 2, 'score': 0.66709834}, {'id': 'https://openalex.org/C179104552', 'wikidata': 'https://www.wikidata.org/wiki/Q11165', 'display_name': 'Inorganic chemistry', 'level': 1, 'score': 0.4210296}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.40752405}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.14899722}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://ci.nii.ac.jp/naid/120000965120', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764862220', 'display_name': 'Journal of the Research Institute for Catalysis, Hokkaido University', 'issn_l': '0034-530X', 'issn': ['0034-530X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310313472', 'host_organization_name': 'Hokkaido University', 'host_organization_lineage': ['https://openalex.org/P4310313472'], 'host_organization_lineage_names': ['Hokkaido University'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/6', 'score': 0.5, 'display_name': 'Clean water and sanitation'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W73705313', 'https://openalex.org/W3167137674', 'https://openalex.org/W3152933047', 'https://openalex.org/W3084165052', 'https://openalex.org/W2995325791', 'https://openalex.org/W2994629190', 'https://openalex.org/W2988429871', 'https://openalex.org/W2950774108', 'https://openalex.org/W2950709580', 'https://openalex.org/W2933587221', 'https://openalex.org/W2832548346', 'https://openalex.org/W2354849369', 'https://openalex.org/W2331051430', 'https://openalex.org/W2320517662', 'https://openalex.org/W2319544428', 'https://openalex.org/W2081555565', 'https://openalex.org/W2014808447', 'https://openalex.org/W1996292857', 'https://openalex.org/W1993886933', 'https://openalex.org/W112689749'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1544122420', 'counts_by_year': [], 'updated_date': '2024-08-21T10:03:40.843253', 'created_date': '2016-06-24'}